in the extraction of natural gas from the ground, called hydraulic fracturings, or fracking. these new technologies enable drillers to extract oil and gas encased in shale formations throughout the country -- the northeast, the mountain, the west coast, the plain states. domestic natural gas has a lot of boosters including t. boone pickens. >> we have the most natural gas of anybody and we've got to use it. it's cleaner, it's cheaper, it's abundant, and it's ours. >> and the result is that natural gas has become even more abun dandant and a cheaper, abo quarter of what it cost five years ago. gas companies are paying americans whose property sit on natural gas formations. that's making a lot of americans wealthy. and according to some very sick. new york has put a moratorium on fracking in the state, and this week that moratorium was extended to spend more time reviewing health effects that shale drilling and fracking could have on local communities. now, the 2010 movie "gas land" took a highly critical view of the expansion of fracking and the state of regulatory oversight over it. have a listen.